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OEC India Services Interview Questions and Answers
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Interview questions from similar companies
Selected
I applied via Naukri.com
(1 Question)
- Q1. Technical questions that includes coding as well
(1 Question)
- Q1. Technical and Managerial discussion
(1 Question)
- Q1. Salary discussion
Prasad Ashok Ajmire
I applied via Company Website and was interviewed in Jan 2024. There was 1 interview round.
(1 Question)
- Q1. List tuple python memory management Codig question RestAPIs HTTP methods State Management UI
I applied via Company Website and was interviewed in Mar 2024. There was 1 interview round.
(1 Question)
- Q1. Implement readers-writer lock
- Ans.
A readers-writer lock allows concurrent access for readers and exclusive access for writers, ensuring data consistency.
Readers can access the resource simultaneously, improving performance.
Writers require exclusive access, blocking readers during write operations.
Use a counter to track active readers and a mutex for writers.
Example: In a database, multiple queries can read data while updates are restricted.
(1 Question)
- Q1. What is VTable and VPtr
- Ans.
VTable is a table of function pointers used in object-oriented programming to implement polymorphism. VPtr is a pointer to the VTable.
VTable is used to store pointers to virtual functions in a class.
VPtr points to the VTable of an object to enable dynamic dispatch of virtual functions.
VTable and VPtr are used in C++ to implement polymorphism and dynamic binding.
Skills evaluated in this interview
(1 Question)
- Q1. It was more into problem solving using python
I applied via Other and was interviewed in Oct 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Basic C language question like what is pointer ,Array,structure,Call by reference, Difference between union and structure. Some programming question are prime number,factorial,fabonacci series,strings etc
Interview Preparation Tips
Senior Software Engineer Interview Questions & Answers
Global Edge Software
Anonymous
posted on 15 Dec 2021
I applied via Naukri.com and was interviewed in Nov 2021. There were 3 interview rounds.
Interview Questionnaire
7 Questions
- Q1. 1) What is volatile? 2) What is constant? 3) Can we use volatile and const at a time?4) What is ISR how it works?
- Ans.
Answers to questions related to software engineering concepts.
Volatile is a keyword used to indicate that a variable's value can be changed unexpectedly.
Constant is a keyword used to indicate that a variable's value cannot be changed once it is assigned.
Volatile and const can be used together to indicate that a variable's value cannot be changed and that it may change unexpectedly.
ISR stands for Interrupt Service Routi...
- Q2. What is pointer? Explain dangling pointer, null pointer, void pointer.
- Ans.
A pointer is a variable that stores the memory address of another variable. Dangling, null, and void pointers are types of pointers.
Dangling pointer: a pointer that points to a memory location that has been deallocated or freed
Null pointer: a pointer that does not point to any memory location
Void pointer: a pointer that has no specific data type and can point to any data type
- Q3. Storage classes explain all the storage classes in c.
- Ans.
Storage classes in C define the scope and lifetime of variables.
auto: default storage class for local variables
register: stores variables in CPU registers for faster access
static: retains value between function calls
extern: used to access global variables across multiple files
- Q4. Compilation stages.
- Q5. Projects done at previous company with clear explanation.
- Ans.
Led multiple projects focusing on scalable web applications and microservices architecture, enhancing performance and user experience.
Developed a scalable e-commerce platform using React and Node.js, improving load times by 30%.
Implemented a microservices architecture for a healthcare application, enabling independent deployment and scaling of services.
Optimized an existing legacy system by refactoring code and introdu...
- Q6. CAN, SPI, I2C, UART differences.
- Q7. Explain CAN data frame.
- Ans.
CAN data frame is a message format used in Controller Area Network (CAN) protocol.
CAN data frame consists of 7 fields: Start of Frame (SOF), Arbitration ID, Control Bits, Data Length Code (DLC), Data Field, Cyclic Redundancy Check (CRC), and End of Frame (EOF).
The Arbitration ID field is used to identify the message priority and the source of the message.
The Data Field can contain up to 8 bytes of data.
The CRC field is...
Interview Preparation Tips
Skills evaluated in this interview
Focuis on math and on science language
Focus on mathematics
Software Engineer Interview Questions & Answers
Global Edge Software
Malappa Ingalagi
posted on 30 Jan 2022
(1 Question)
- Q1. Had discussion about C, DS in depth
(1 Question)
- Q1. Questions about C and DS and basics of OS.
(1 Question)
- Q1. What are the strengths and weaknesses of yours.
- Ans.
Identifying strengths and weaknesses helps in personal growth and team dynamics, fostering a culture of continuous improvement.
Strength: Strong problem-solving skills - I enjoy tackling complex challenges, like optimizing algorithms for better performance in previous projects.
Strength: Effective communication - I can clearly articulate technical concepts to non-technical stakeholders, ensuring everyone is aligned.
Weakn...
Interview Preparation Tips
Paper based exam based on C and embedded c
(1 Question)
- Q1. Relevant questions asked
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OEC India Services Reviews and Ratings
based on 13 reviews
Rating in categories
|
Parts Analyst
13
salaries
|  ₹2.6 L/yr - ₹7.2 L/yr |
|
Software Engineer
12
salaries
| ₹4.5 L/yr - ₹14 L/yr |
|
Senior Software Engineer
9
salaries
| ₹16 L/yr - ₹21 L/yr |
|
QA Automation Engineer
7
salaries
| ₹7.8 L/yr - ₹10 L/yr |
|
Data Analyst
6
salaries
| ₹3.3 L/yr - ₹6.2 L/yr |
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